package com.example.lotterysystem.dao.mapper;

import com.example.lotterysystem.dao.dataobject.ActivityUserDO;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ActivityUserMapper {

    @Insert("<script> " +
            "insert into activity_user (activity_id, user_id, user_name, status) values" +
            "   <foreach collection='items' item='item' index = 'index' separator = ','> " +
            "       (#{item.activityId}, #{item.userId}, #{item.userName}, #{item.status})" +
            "   </foreach>" +
            "</script>")
    @Options(useGeneratedKeys = true, keyProperty = "id", keyColumn = "id")
    int batchInsert(@Param("items") List<ActivityUserDO> activityPrizeDOList);

    @Select("select * from activity_user where activity_id = #{activityId}")
    List<ActivityUserDO> selectByActivityId(@Param("activityId") Long activityId);

    @Select("<script> " +
            " select * from activity_user " +
            " where activity_id = #{activityId} and user_id in " +
            "   <foreach  collection='userIds' item = 'userId' open='(' separator=',' close=')'> " +
            "      #{userId} " +
            "   </foreach> " +
            " </script>")
    List<ActivityUserDO> batchSelectByAUIDS(@Param("activityId")Long activityId, @Param("userIds") List<Long> userIds);

    @Update("<script> " +
            " update activity_user set status = #{status}" +
            " where activity_id = #{activityId} and user_id in " +
            "   <foreach  collection='userIds' item = 'userId' open='(' separator=',' close=')'> " +
            "      #{userId} " +
            "   </foreach> " +
            " </script>")
    void batchUpdateStatus(@Param("activityId") Long activityId, @Param("userIds") List<Long> userIds, @Param("status") String status);
}
